1 files changed, 1 insertions, 77 deletions

diff --git a/drivers/net/wireless/iwlegacy/iwl-4965-rx.c b/drivers/net/wireless/iwlegacy/iwl-4965-rx.c
index b9fa2f6411a7..2b144bbfc3c5 100644
--- a/drivers/net/wireless/iwlegacy/iwl-4965-rx.c
+++ b/drivers/net/wireless/iwlegacy/iwl-4965-rx.c
@@ -151,81 +151,6 @@ static void iwl4965_accumulative_statistics(struct iwl_priv *priv,
 
 #define REG_RECALIB_PERIOD (60)
 
-/**
- * iwl4965_good_plcp_health - checks for plcp error.
- *
- * When the plcp error is exceeding the thresholds, reset the radio
- * to improve the throughput.
- */
-bool iwl4965_good_plcp_health(struct iwl_priv *priv,
-                                struct iwl_rx_packet *pkt)
-{
-        bool rc = true;
-        int combined_plcp_delta;
-        unsigned int plcp_msec;
-        unsigned long plcp_received_jiffies;
-
-        if (priv->cfg->base_params->plcp_delta_threshold ==
-            IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE) {
-                IWL_DEBUG_RADIO(priv, "plcp_err check disabled\n");
-                return rc;
-        }
-
-        /*
-         * check for plcp_err and trigger radio reset if it exceeds
-         * the plcp error threshold plcp_delta.
-         */
-        plcp_received_jiffies = jiffies;
-        plcp_msec = jiffies_to_msecs((long) plcp_received_jiffies -
-                                        (long) priv->plcp_jiffies);
-        priv->plcp_jiffies = plcp_received_jiffies;
-        /*
-         * check to make sure plcp_msec is not 0 to prevent division
-         * by zero.
-         */
-        if (plcp_msec) {
-                struct statistics_rx_phy *ofdm;
-                struct statistics_rx_ht_phy *ofdm_ht;
-
-                ofdm = &pkt->u.stats.rx.ofdm;
-                ofdm_ht = &pkt->u.stats.rx.ofdm_ht;
-                combined_plcp_delta =
-                    (le32_to_cpu(ofdm->plcp_err) -
-                    le32_to_cpu(priv->_4965.statistics.
-                                rx.ofdm.plcp_err)) +
-                    (le32_to_cpu(ofdm_ht->plcp_err) -
-                    le32_to_cpu(priv->_4965.statistics.
-                                rx.ofdm_ht.plcp_err));
-
-                if ((combined_plcp_delta > 0) &&
-                    ((combined_plcp_delta * 100) / plcp_msec) >
-                        priv->cfg->base_params->plcp_delta_threshold) {
-                        /*
-                         * if plcp_err exceed the threshold,
-                         * the following data is printed in csv format:
-                         *    Text: plcp_err exceeded %d,
-                         *    Received ofdm.plcp_err,
-                         *    Current ofdm.plcp_err,
-                         *    Received ofdm_ht.plcp_err,
-                         *    Current ofdm_ht.plcp_err,
-                         *    combined_plcp_delta,
-                         *    plcp_msec
-                         */
-                        IWL_DEBUG_RADIO(priv, "plcp_err exceeded %u, "
-                                "%u, %u, %u, %u, %d, %u mSecs\n",
-                                priv->cfg->base_params->plcp_delta_threshold,
-                                le32_to_cpu(ofdm->plcp_err),
-                                le32_to_cpu(ofdm->plcp_err),
-                                le32_to_cpu(ofdm_ht->plcp_err),
-                                le32_to_cpu(ofdm_ht->plcp_err),
-                                combined_plcp_delta, plcp_msec);
-
-                        rc = false;
-                }
-        }
-        return rc;
-}
-
 void iwl4965_rx_statistics(struct iwl_priv *priv,
                               struct iwl_rx_mem_buffer *rxb)
 {
@@ -248,8 +173,7 @@ void iwl4965_rx_statistics(struct iwl_priv *priv,
         iwl4965_accumulative_statistics(priv, (__le32 *)&pkt->u.stats);
 #endif
 
-        iwl_legacy_recover_from_statistics(priv, pkt);
-
+        /* TODO: reading some of statistics is unneeded */
         memcpy(&priv->_4965.statistics, &pkt->u.stats,
                 sizeof(priv->_4965.statistics));